Conditional Statements An If …….. Then…….Statement. The HYPOTHESIS is the condition of the statement and appears after the IF. The CONCLUSION is the result.

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Presentation transcript:

Conditional Statements An If …….. Then…….Statement. The HYPOTHESIS is the condition of the statement and appears after the IF. The CONCLUSION is the result and occurs after the THEN.

When it rains, it pours. Written in correct conditional form: If it rains, then it pours.

When it rains, it pours If it rains, then it pours. Underline the Hypothesis and Italicize the Conclusion.

When it rains, it pours If it rains, then it pours. Underline the Hypothesis and italize the Conclusion. Note: Do NOT include the IF and THEN when identifying

Changing any statement into a conditional statement Just about any statement can be changed into the “If….. then…..” form! School closes when it snows. If it snows, then school closes. All new cars are expensive! If it’s a new car, then it’s expensive. All people have feelings. If he’s a person, then he has feelings.

Four Forms of Conditional Sentences Regular conditional p  q Converse: q  p –Switch hypothesis and conclusion Inverse ~ p  ~ q –Negate the hypothesis and conclusion Contrapositive ~ q  ~ p –Switch and negate both Remember ~ means to negate or “NOT”

If it rains, it pours. Regular conditional:

If it rains, it pours. Regular conditional: If it rains, then it pours. Converse:

If it rains, it pours Regular conditional: If it rains, then it pours. Converse: If it pours, then it rains.

If it rains, then it pours. To negate a phrase, add “NOT”. You may also need to modify the verb to ensure good grammar. Inverse: If it doesn’t rain, then it doesn’t pour.

If it rains, then it pours. Contrapositive: (Switch and negate)

If it rains, then it pours. Contrapositive: (Switch and negate) If it doesn’t pour, then it doesn’t rain.

If you are rushed, you won’t do well Conditional: If you are rushed, then you won’t do well. Converse: If you don’t do well, then you are rushed. Inverse:If you aren’t rushed, then you will do well. Contrapositive: If you do well, then you aren’t rushed.

Computer Room Lab work will be on these sentences. Take these notes with you to the lab. Quiz Wednesday will be on these conditionals sentences.